11.2 IUPAC Nomenclature
Chapter 5: Class 12 Chemistry English Volume 2 · Part 7 · CHEMISTRY-VOLUME 2 · EN medium
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We have already learnt about naming the organic compounds according to IUPAC guidelines in XI standard. Let us recall the basic rules to name the alcohols. . Select the longest continuous chain of carbon atoms (root word) containing the functional group ( -OH ). . Number the carbon atoms in the chain so that the carbon bearing the -OH group has the lowest possible number. . Name the substituent (if any) . Write the name of the alcohol as below. Prefix + Root word + Primary suffix + Secondary suffix (substituents) (longgest chain) (Saturation /unsaturation) (ol) The following table illustrates the IUPAC nomenclature of alcohols.
📖 Class 12 Chemistry English Volume 2 2024 Edition www.tntextbooks.in · Page 110
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We have already learnt about naming the organic compounds according to IUPAC guidelines in XI standard. Let us recall the basic rules to name the alcohols. . Select the longest continuous chain of carbon atoms (root word) containing the functional group ( -OH ).
. Number the carbon atoms in the chain so that the carbon bearing the -OH group has the lowest possible number. . Name the substituent (if any) .
Write the name of the alcohol as below. Prefix + Root word + Primary suffix + Secondary suffix (substituents) (longgest chain) (Saturation /unsaturation) (ol) The following table illustrates the IUPAC nomenclature of alcohols. Compound (common name, Structural formula, IUPAC Name) IUPAC Name Prefix with position number Root used Primary suffix Secondary Suffix Isopropyl alcohol
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